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  1. Unregistered
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    #1

    please help

    hello,
    which is correct:

    1. American army helicopter
    2. America's army helicopter

    and what's the meaning of heterogenous stones?

    thanks


    • Join Date: Oct 2006
    • Posts: 19,434
    #2

    Re: please help

    #1 American army helicopter.

    #2 What's the meaning of heterogenous stones? What is the context? It is a term used in urology relating to the nature of kidney stones. It is also a term found in geology.

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